GE CFM56 series
Service difficulty reports · 5,028
Newest first. General aviation reporting is voluntary.
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'CFM56' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'CFM56' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 99UAL900595Floorbeam · crackedDISCOVERED A CRACK OF APPROXIMATELY 1.0 INCH AT RBL 46 ON THE FLOORBEAM AT BS 927. THE CRACK LOCATED IN THE RADIUS OF THE WEB AND THE UPPER CAP OF THE I-BEAM. *S/D* REPAIRED THE CRACK BY STANDARD FLOORBEAM SHEET METAL REPAIRS PER 737 SRM.SDR 99UAL900576Module · looseCABIN ALTITUDE RISE ABOVE 10 PSI. *S/D* DELTA P MODULE WAS NOT CORRECTLY SEATED IN ITS SOCKET. REPLACED THE DELTA P MODULE.SDR 99UAL900577Controller · failedAIRCRAFT ENCOUNTERED CABIN PRESSURIZATION PROBLEM AFTER TAKEOFF. *S/D* THE CABIN PRESSURE CONTROLLER FAILED. REPLACED THE CABIN PRESSURE CONTROLLER.SDR 99UAL900578Ecu · leakingNUMBER TWO ENGINE FAILURE INDICATION ILLUMINATED DUE TO COMPRESSOR STALL. *S/D* NO DAMAGE FOUND ON THE BORESCOPE INSPECTION. THE MAIN ENGINE CONTROL LEAKS. REPLACED THE MAIN ENGINE CONTROL AND FUEL PUMP.SDR SWAA991869Mec · erraticAIR TURNBACK, IN FLIGHT SHUT DOWN, NR 2 ENG WOULD NOT GET OUT OF FULL POWER. REMOVED AND REPLACED NR 2 ENG T2 AND T12 SENSORS AND REMOVED AND REPLACED NR 2 ENG MEC PER MM..SDR SWAA991870Compressor · stalledAIR TURNBACK, IN FLIGHT SHUT DOWN, NR 1 ENG COMPRESSOR STALLED AT 27,000 FEET AND THEN AGAIN AT 16,000 FEET FOLLOWED BY OIL PRESS IND DECREASE AND ENG VIBRATION. REMOVED AND REPLACED NR 1 ENG PER MM.SDR 99UAL900575Seal · failedAIRCRAFT CABIN WAS UNABLE TO BE PRESSURIZED. *S/D* THE 2L SLIDING WINDOW AND THE 1L DOOR SEALS LEAK. REPLACED THE 2L SLIDING WINDOW SEAL AND REPAIRED THE DOOR 1L PRESSURE SEAL. PRESSURIZED THE AIRCRAFT, NO LEAKS.SDR 99UAL900579Valve · failedTHE COWL VALVE OPEN LIGHT REMAINED BRIGHT WHEN THE NUMBER TWO ENGINE ANTI-ICE VALVE SWITCHED TO THE ON POSITION. *S/D* REPLACED THE ENGINE ANTI-ICE VALVE.SDR 99UAL900580Engine · malfunctionedAT 120 KNOTS, THE EXHAUST GAS TEMPERATURE ON NUMBER TWO ENGINE EXCEEDED 1000 0 C. *S/D* REMOVED AND SENT THE ENGINE TO THE TURBINE SHOP. AFTER REVIEWING THE FLIGHT RECORDER DATA, THE ENGINE EXHAUST GAS TEMPERATURE EXCEEDED THE 930 0 C LIMIT FOR 45 SECONDS. SDR SWAA991834Compressor · bird strikeAIR TURNBACK, MULTIPLE BIRD STRIKES DURING TAKEOFF. PERFORMED BIRD STRIKE INSPECTION ON AIRFRAME. NO DEFECT NOTED. LATER DISCOVERED 3 EA NR 1 ENG FAN BLADES BENT. REMOVED AND REPLACED FAN BENT FAN BLADES AND PERFORMED BORESCOPE INSPECTION ON BOTH ENGS. NSDR 99UAL900564Compressor · damagedDURING CLIMBOUT, THE NUMBER ONE ENGINE STALLED THREE TIMES. REDUCED POWER TO IDLE AND THE ENGINE STABILIZED. THE CREW REPORTED NO EXCEEDED LIMITS. *S/D* BORESCOPE THE ENGINE AND DISCOVERED THAT THE HIGH PRESSURE COMPRESSOR WAS DAMAGED BEYOND SERVICEABLE LISDR 99UAL900592Floorbeam · crackedDISCOVERED A CRACK OF APPROXIMATELY 1.0 INCH AT RBL 46 ON THE FLOORBEAM AT BS 927. THE CRACK LOCATED IN THE RADIUS OF THE WEB AND THE UPPER CAP OF THE I-BEAM. *S/D* REPAIRED THE CRACK BY STANDARD FLOORBEAM SHEET METAL REPAIRS PER 737 SRM.SDR 99UAL900552Fire Bottle · dischargedON DESCENT, THE AUXILIARY POWER UNIT FIRE BOTTLE DISCHARGED WARNING LIGHT ILLUMINATED. *S/D* VISUAL INSPECTION NOTED THE AUXILIARY POWER UNIT FIRE BOTTLE PRESSURE WAS AT APPROXIMATELY 250 PSI, THE THRESHOLD FOR LOW PRESSURE INDICATION. REPLACED THE FIRE BOTSDR 99UAL900553By Pass Light · illuninatedFLIGHT CREW REPORTED THAT THE OIL FILTER BYPASS LIGHT ILLUMINATED ON THE NUMBER ONE ENGINE.SDR 99UAL900546Bypass Light · illuminatedFLIGHT CREW REPORTED, THE OIL FILTER BYPASS LIGHT ILLUMINATED ON THE NUMBER ONE ENGINE WHEN OIL PRESSURE AND TEMPERATURE ARE INDICATING NORMAL.SDR 99UAL900593Floorbeam · crackedDISCOVERED A CRACK OF APPROXIMATELY 1.0 INCH AT RBL 46 ON THE FLOORBEAM AT BS 927. THE CRACK LOCATED IN THE RADIUS OF THE WEB AND THE UPPER CAP OF THE I-BEAM. *S/D* REPAIRED THE CRACK BY STANDARD FLOORBEAM SHEET METAL REPAIRS PER 737 SRM.SDR 99UAL900539Tire · failedFLIGHT CREW REPORTED THAT THE AIRCRAFT STRUCK A LARGE PIECE OF CONCRETE ON THE RUNWAY. FLIGHT CREW SUSPECTED THAT THE NOSE TIRES WERE BLOWN.SDR 99UAL900541Engine · bird strikeON TAKEOFF, NUMBER TWO ENGINE ENCOUNTERED A BIRD STRIKE. THIS RESULTED IN A JUMP OF ENGINE VIBRATION FROM ZERO TO TWO.SDR SWAA991732Blades · shingledAIR TURNBACK, DURING CLIMB NR 2 ENG INGESTED BIRD. VIBRATION DEVELOPED IN ENG. C/W BIRD STRIKE INSP, BORESCOPE INSP. NO DAMAGED NOTED EXCEPT FOR NR 2 AND NR 27 FAN BLADES WHICH WERE SHINGLED. UNSHINGLED FAN BLADES PER MM.SDR 99UAL900529Overheat Det · failedDURING CLIMB, THE RIGHT WING BODY OVERHEAT LIGHT ILLUMINATED. *S/D* FOLLOWING TROUBLESHOOTING, CAUSE ISOLATED TO M488 ENGINE STRUT CAVITY OVERHEAT DETECTOR. REPLACED THE OVERHEAT DETECTOR. REPLACED THE M237 OVERHEAT CONTROL MODULE AS A PRECAUTION. AIRCRAFSDR 99UAL900532Relay · failedDIRECT CURRENT FAIL LIGHT ILLUMINATED ON BOTH INERTIAL REFERENCE UNITS ON TAKEOFF. *S/D* RELAY R41 FAILED. REPLACED R41 RELAY.SDR SWAA991708Lead · corrodedAIR TURNBACK, AFTER TAKEOFF, NR 1 ENG EGT IND OVERTEMPED TO 955 DEGREES FOR APPROX 2 SECONDS. C/W HOT SECTION BORESCOPE INSPECTION, CALIBRATED EGT IND, TROUBLESHOT AND REMOVED AND REPLACED NR 1 ENG EGT SOFT LEAD AT ENG PER MM.SDR 99UAL900523Circuit Card · failedLANDING GEAR EXTENSION WAS NORMAL, BUT RETRACTION REQUIRED LOCK OVERRIDE. THE FLIGHT CREW CYCLED THE LANDING GEAR CIRCUIT BREAKER, BUT NO RESPONSE FROM THE LANDING GEAR. *S/D* REPLACED THE GROUND SENSING SQUAT SWITCH CIRCUIT CARD, M990. CONDUCTED OPERATIONSDR 99UAL900516Indicator · failedTHERE IS A FIVE DEGREE DISCREPANCY BETWEEN THE COMMANDED AND DISPLAYED INDICATIONS ON THE TRAILING EDGE FLAPS. ALTERNATE FLAPS WERE USED TO FULLY EXTEND THE FLAPS. S/D, INSTALLED A SERVICEABLE FLAP POSITION INDICATOR. THE INDICATOR TESTED NORMAL.SDR 99UAL900514Valve · failedNUMBER TWO ANTI-ICE VALVE OPEN INDICATION ILLUMINATED WITH THE SELECT SWITCH IN THE ON POSITION. WHEN ATTEMPTED TO OPEN THE VALVE, THERE WERE NO INDICATION OF EXHAUST GAS TEMPERATURE INCREASE. *S/D* REPLACED NUMBER TWO ENGINE ANTI-ICE VALVE AND UNLOCKED THESDR 99UAL900510Oil Temp Bulb · failedERRATIC OIL TEMPERATURE INDICATION ON NUMBER TWO ENGINE. REPLACED THE TEMPERATURE BULB AND PERFORMED OPERATIONAL CHECK.SDR 99UAL900501Light · inopTHE EMERGENCY EGRESS LIGHTS FROM ROW 14 BACK ARE INOPERATIVE. REPLACED THE EMERGENCY EGRESS LIGHTS, OPERATIONS CHECK NORMAL.SDR 99UAL900502Retract Mech · out of adjustCREW REPORTED, THE NOSE GEAR UNSAFE LIGHT ILLUMINATED WITH THE GEAR UP. WHEN THE HANDLE WAS PLACED TO THE OFF POSITION, THE NOSE GEAR DROPPED OUT OF THE WHEEL WELL. *S/D* MAINTENANCE RE-RIGGED NOSE GEAR DOORS PER APPLICABLE AIRCRAFT MAINTENANCE MANUAL. CHESDR 99UAL900497Light · inopTHE EMERGENCY EGRESS LIGHTS FROM ROW 15 BACK ARE INOPERATIVE. REPLACED THE EMERGENCY EGRESS LIGHTS. OPERATIONS CHECK NORMAL.SDR 99UAL900498Transfer Sys · malfunctionedDURING CRUISE, THE RIGHT WING FUEL TANK INCREASED 1000 NR WITH PROPORTIONAL LEFT WING DECREASE. ON DOWN WIND AND FINAL LEG, THE RIGHT WING FUEL TANK INCREASED 1100 NR WITH PROPORTIONAL LEFT WING DECREASE. OPENED THE FUEL TANKS AND CHECKED THE VENT FLOAT VASDR 99UAL900489Switch · failedDURING TAKEOFF, THE NUMBER TWO LEADING EDGE SLAT IN TRANSIT LIGHT INTERMITTENTLY ILLUMINATED ON THE FORWARD AND OVERHEAD PANELS. WHEN SPEED WAS REDUCED, THE IN TRANSIT LIGHT DISTINGUISHED. THE WIRING TO THE NUMBER TWO LEADING EDGE ROD END SWITCH WAS REPAIREDSDR 99UAL900472R3 Relay · failedNR 1 NORMAL TRANSFER BUS CIRCUIT BREAKER ON THE P6-11 POPPED AND TRANSFER BUS DID NOT TRIP OFF. RESET AND IT POPPED AGAIN AFTER 5 MINUTES. SHORTLY AFTER, THE FOLLOWING LIGHTS CAME ON, NR 1 B ELECTRIC LOW PRESSURE, NR 1 AFT FUEL BOOST PUMP LOW PRESSURE, ANTI-SDR 99UAL900475Structure · damagedTHE FUSELAGE SKIN AND TWO FRAMES WERE DAMAGED AFTER CONTACT WITH A SERVICE TRUCK. THE SKIN WAS DAMAGED FROM STATIONS 866 TO 904 BETWEEN STRINGERS 26 AND 27 LT AND FROM STATIONS 865 TO 867 BETWEEN STRINGERS 24 AND 25 RT WERE DAMAGED. *S/D* THE DAMAGED FRAME SDR 99UAL900471Rt Unit · failedWEATHER RADAR INTERMITTENTLY INOP. *S/D* REPLACED THE WEATHER RADAR RECEIVER/TRANSMITTER UNIT.SDR 99UAL900467Yaw Damper · malfunctionedAIRCRAFT EXPERIENCED A SHARP YAW TO LEFT ON RUNWAY JUST PRIOR TO V1. YAW DAMP WAS ENGAGED AT THE TIME. THE YAW DAMPER COUPLER WAS REPLACED AND SENT TO HONEYWELL IN SEATTLE.SDR SWAA991484Temp Bulb · failedIN FLIGHT ENGINE SHUTDOWN, NR 1 ENGINE OIL TEMP CLIMBED ABOVE RED BAND DURING FLIGHT. ALL OTHER ENGINE INDICATIONS NORMAL. REMOVED AND REPLACED NR 1 ENG OIL SYSTEM AND SCAVANGE FILTERS, OIL, FUEL/OIL HEAT EXCHANGER AND OIL TEMP BULB. RAN ENGINE, OPS CHECKEDSDR SWAA991460Fuel Oil Cooler · failedDECLARED EMERGENCY WHEN NR 1 ENG OIL TEMP LIGHT ILLUMINATED WITH ENGINE RETARDED TO IDLE. REMOVED AND REPLACED NR 1 ENG FUEL OIL HEAT EXCHANGER PER MM.SDR 99UAL900456Seal · failedDOOR ONE LEFT PRESSURE SEAL FOUND LEAKING AND MAKING NOISE. FOUND LOWER HINGE COVER SEAL DISTORTED. REPLACED LOWER HINGE SEAL AND PRESSURIZED TO 5 PSI WITH NO LEAKS NOTED ON DOOR.SDR 99UAL900445Valve · failedUNABLE TO PRESSURIZE BEYOND .8 PSI DIFFERENTIAL AT 10,000 FT WITH APU BLEED OFF AND RIGHT PACK TO HIGH. *S/D* RIGHT HAND FLOW CONTROL AND MODULATION VALVE FAILED TO THE CLOSED POSITION. REPLACED THE RIGHT HAND FLOW CONTROL AND MODULATION VALVE.SDR SWAA991419Switch · malfunctionedENG INFLIGHT SHUT DOWN, NR 1 ENG OIL FILTER BYPASS LIGHT ILLUMINATED. REMOVED AND REPLACED NR 1 ENG OIL FILTER BYPASS SWITCH AND FILTER PER MM.SDR 99UAL900444Light · inopEMERGENCY EXIT LIGHTS AT 7A, B, AND C FLOOR INOPERABLE. SECURED LIGHT STRIP, OPERATIONAL CHECK GOOD.SDR SWAA991400Oil Syst · contaminatedAIR TURNBACK, DURING CLIMB, NR 2 ENGINE OIL QTY WENT TO ZERO AND OIL PRESS DROPPED TO 20 PSI. REMOVED AND REPLACED NR 2 ENG OIL SUPPLY FILTER AND SCAVANGE FILTER, NO CONTAMINATION ON FILTERS. FOUND POLYMIDE MATERIAL IN FWD SCAVANGE OIL SUMP. REMOVED MATERIASDR 99UAL900431Power Supply · inopEMERGENCY EXIT LIGHTS AND ESCAPE PATH LIGHTING IN THE BACK HALF OF THE AIRPLANE ILLUMINATED INTERMITTENTLY. REPLACED AFT LEFT POWER SUPPLY, OPERATIONAL CHECK GOOD.SDR SWAA991370Starter · crackedIN FLIGHT ENG SHUT DOWN, DIVERSION, NR 1 ENG LOW OIL PRESS LIGHT ILUMINATED, OIL QTY INDICATION WAS ZERO. ENGINE WAS SHUT DOWN AND DIVERTED FLIGHT TO COS. FOUND CRACKED STARTER. REMOVED AND REPLACED NR 1 ENG STARTER, SERVICED ENG WITH OIL. LEAK AND OPS CHESDR 99UAL900426Oven · dirtyCABIN ODOR EXPERIENCED AT FL 280 IN DESCENT. OVENS AND LIGHTS TURNED OFF. ODOR SUBSIDED BUT STILL LINGERED. *S/D* OVEN UPPER BAFFLE WAS CONTAMINATED WITH MELTED PLASTIC. OVEN WAS REMOVED AND SHIPPED TO THE COMPONENT SHOP. UNIT WAS CLEANED, TESTED AND RETSDR 99UAL900415Controller · malfunctionedLOST CABIN PRESSURE ON TAKEOFF. *S/D* COULD NOT CLOSE AFT OUTFLOW VALVE IN MANUAL AC OR DC. REPLACED CABIN PRESSURE SELECTOR PANEL AND CABIN PRESSURE CONTROLLER.SDR 99UAL900410Transmitter · failedTRAILING EDGE FLAPS EXTENDED TO 5 DEGREES RIGHT AND 8 DEGREES LEFT ON APPROACH. *S/D* THE FLAP ASYMMETRY WAS CAUSED BY A INOPERATIVE TRAILING EDGE FLAP TRANSMITTER. THE LEFT HAND FLAP TRANSMITTER WAS REPLACED.SDR SWAA991242Engine · bird strikeABORTED TAKEOFF, NR 2 ENG ENCOUNTERED BIRD STRIKE AND ABORTED THE TAKEOFF AT 110 KNOTS DUE TO VIBRATION ON THE ENG. REMOVED AND REPLACED NR 35 AND NR 36 DAMAGED FAN BLADES ON NR 2 ENG. ALSO, REMOVED AND REPLACED CSD OIL COOLER PER MM.SDR 99UAL900368Yaw Damper · failedAIRCRAFT DEMONSTRATED INAPPROPRIATE YAW CHARACTERISTICS AT 10,000 FEET. AIRCRAFT RETURNED TO FIELD. *S/D* THE YAW DAMPER COUPLER WAS REPLACED, AND SENT TO THE SHOP. THE COUPLER WAS RECEIVED IN THE SHOP AND DURING INITIAL POWER-UP THE RATE GYRO WAS FOUND STSDR 99UAL900413Engine · failedHEARD A THUNK AND EXPERIENCED VIBRATION IN NR 1 ENGINE. GOT LOW OIL PRESSURE AND EXHAUST GAS TEMPERATURE SHOWED 813 DEGREES CELSIUS. *S/D* REPLACED NR 1 ENGINE. AIRCRAFT OPERATIONAL CHECKS GOOD. SHOP INDICATIONS, SHOW FAILURE OF THE NR 4 BEARING WAS THE R
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